8th Science Ch. 2

Which of the following is a physical property of an element?

• color
• ability to rust
• flammability
• ability to tarnish

Which of the following is NOT a characteristic of a compound?

• has different properties from the elements that formed it
• pure substances made of two or more elements
• different samples have different properties 
• can be represented by a chemical formula

Anything that has mass and takes up space is an example of

• energy
• chemical change
• matter
• temperature

Every chemical or physical change in matter includes a change in 

• volume
• temperature
• energy
• mass

A _________ is an example of a homogeneous mixture that is very evenly mixed.

• compound
• element
• pure substance
• solution

A chemical bond is

• a group of atoms that are joined together
• the basic particle of matter
• the force that holds two atoms together
• a substance formed from the chemical combination of two or more atoms

Which of the following is an example of a chemical change?

• melting butter
• mixing milk and chocolate syrup
• breaking glass
• burning fuel

Which of the following is NOT true of atoms?

• They are composed of molecules
• They can combine with other atoms
• They make up elements
• They are extremely small

A ________ of a pure substance can be observed WITHOUT changing the substance.

• chemical property
• atom
• element
• physical property

______ is stored in the bonds that hold atoms together.

• chemical energy
• physical energy
• thermal energy
• electromagnetic energy